(230) 



5123. Black walnut bark. — The bark of Juglans nigra L. (See No. 4088.) Pre- 



sented by Parke, Davis & Company, of New York. 



5124. Sweet birch bark.— The bark of Betula lenta L. (See No. 1804.) Collected 



by P. Wilson in Bedford Park, New York, January, 1899. 



5125. A commercial sample of the same. Presented by Parke, Davis & Company, 



of New York. 



5126. White birch bark. — The bark of B. populifolia Marsh. Native of eastern 



North America. Collected by P. Wilson in Bedford Park, New York, 

 July, 1899. 



5127. European white birch. Shira keba. — The bark of B. alba L. Native of 



northern Europe and Asia. From Japan, through the Field Museum of 

 Natural History. 



5128. Yellow birch bark. — The bark of B. lutea Michx. Native of eastern and 



central North America. Collected by H. H. Rusby at Marlboro, New 

 Hampshire, July, 1919. 



5129. Alder bark. Tag-alder. — The bark of Alnus rugosa (Du Roi) Koch (Same 



family). Native of eastern North America. Collected by P. Wilson in 

 Bedford Park, New York, June 26, 1899. 



5130. White oak bark.— The bark of Quercus alba L. {Fagaceae — Oak Family). 



Native of eastern and central North America. Collected by P. Wilson at 

 Bronxville, New York, July II, 1899. 



5 13 1. Rock oak. Chestnut oak bark. Mountainoak. (See No. 1338.) Collected 



by H. H. Rusby at Montclair Heights, New Jersey, July, 1919. 



5132. European oak bark. — The bark of Q. Robur L. Native of Europe. Presented 



by Merck & Company, of New York. 



5133. Elm bark. Slippery elm. Ulmus. — The inner bark of Ulmus fulva Michx. 



(Ulmaceae— Elm Family). Native of North America. Presented by 

 Parke, Davis & Company, of New York. 



5134. Osage orange. Bow-wood. — The bark of Toxylon pomiferum Raf. (Mora- 



ceae — Mulberry Family). Native of the central United States and culti- 

 vated for hedges. Collected by P. Wilson in Bedford Park, New York, 

 June, 1899. 



5135. Tataybebark. — The bark of Madura Mora Griseb. (Same family). Native 



of tropical America. From Paraguay, through the Field Museum of 

 Natural History. 



5 136. Hackberry bark. — The bark of Celtis occidentalis L. (Same family). Native 



of North America. Collected by H. H. Rusby at Upper Montclair, 

 New Jersey, October 10, 1919. 



5137. Barberry root bark. Cortex radicis berberis. — The bark of the root of Berberis 



vulgaris L. (See No. 2541.) From the New York College of Pharmacy. 



5138. Another sample of the same. 



5139. Barberry stem bark. — The bark of the trunk of the same plant. Presented 



by Lehn & Fink, of New York. 



5140. Tulip-tree bark. White-wood. Liriodendron. — The bark of Liriodendron 



tulipijera L. (Magnoliaceae — Magnolia Family). Native of China and 

 of the eastern and central United States. Collected by P. Wilson in 

 Bedford Park, New York, June, 1899. 



